One get_opts method can work instead of get_list_opts and get_show_opts both. Remove mutable default value. Change-Id: I9c5683d416f0f3ed4989abab6f152b0341e30a4f
Fix issues: H402 one line docstring needs punctuation, W503 line break before binary operator. Change-Id: Ie93430898403f137e7b647a97a28b0d7a4ebb463
Change-Id: I43a6ce3a6d976f3d1bd68c0483c929977b660f0d